Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Bruno Chareyre posted a new comment:
Hi, for clarity:
- did you compile openmpi with intel or gcc?
- then do you use that with singularity or with yade compiled on the cluster?
Bruno
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Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Luis Barbosa posted a new comment:
Hi all, just to inform that we solved this:
Solution was to install OpenMpi 4.1.0 on my home directory on the
cluster.
Here are the steps I performed:
Download
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Bruno Chareyre posted a new comment:
A walkthrough of Intel compilation would be valuable, especially if it's
less trivial than just changing the compiler (it needs linkage to more
dynamic libraries iirc).
But
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Status: Answered => Solved
Luis Barbosa confirmed that the question is solved:
Hi Bruno,
We will try to compile yade with intel on the cluster directly.
Since I need IT for that it will take some time to
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Bruno Chareyre requested more information:
Is it a cluster you're admin of?
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Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Status: Open => Answered
Chareyre proposed the following answer:
Since different versions of openMPI is already a problem there's no way
it will work with intel+openMPI.
Indeed generating a new docker is
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Luis Barbosa gave more information on the question:
Hello all,
Since the OpenMPI and Intel MPI in my cluster may not be compatible and
I dont think it is possible to get these two different MPI systems
running.
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Status: Answered => Open
Luis Barbosa is still having a problem:
> "- also mind that the OpenMPI version on the host must be the same (or
sufficiently close to) the one in the singularity image, else it
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Chareyre proposed the following answer:
Please check my command again. It's "mpiexec singularity" not
"singularity mpiexec".
That kind of message, if it persists may mean a local problem in your
installation
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Luis Barbosa posted a new comment:
Hi Bruno, thanks.
I just run a simple script[1] to try non-interactive execution (mpiexec
-np NUMSUBD+1 yade script.py)
Got this message:
+ singularity run
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Status: Open => Answered
Chareyre proposed the following answer:
Hi,
This:
"mpi4py.MPI.Exception: MPI_ERR_SPAWN: could not spawn processes"
is a message I've seen so many times. It isn't related to yade
Question #700315 on Yade changed:
https://answers.launchpad.net/yade/+question/700315
Luis Barbosa posted a new comment:
Please consider Parallel.py=Case2_rotating_drum_mpi.py
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New question #700315 on Yade:
https://answers.launchpad.net/yade/+question/700315
Hi guys, I am new in OpenMPI so I will try to be as clear as possible here.
I instaled Yade 2021.01a on my cluster
singularity/yade/yade_debian_bookwarm_1.0.sif.
I can run simulations using all cores I want. My
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